package com.mc.dao;

import java.util.List;

import org.apache.ibatis.annotations.Param;

import com.mc.model.data_download;

public interface data_downloadMapper {
    int deleteByPrimaryKey(Integer dataId);

    int insert(data_download record);

    int insertSelective(data_download record);

    data_download selectByPrimaryKey(Integer dataId);

    int updateByPrimaryKeySelective(data_download record);

    int updateByPrimaryKey(data_download record);
    
    List<data_download> selectLimit();
    
    int selectAllCount();
    
    List<data_download> selectAllLimit(@Param("start")int start,@Param("size")int size);
}